Westridge School

Westridge School. Westridge School is an independent, college-preparatory day school for girls in Pasadena, California. Founded in 1913 by Mary Lowther Ranney, the school has built a century-long reputation for fostering intellectual curiosity and leadership in a supportive, all-girls environment. It is a member of the National Association of Independent Schools and the California Association of Independent Schools, serving students from fourth through twelfth grade.

● History

The institution was established in 1913 by educator Mary Lowther Ranney, who was inspired by progressive educational models of the era. The school initially operated from a residential property on Orange Grove Boulevard before moving to its permanent campus in 1917. Throughout the 20th century, it expanded its facilities and academic programs, notably adding the Lower School division in the 1970s. Key figures in its development have included long-serving headmistress Dorothy Jackson and subsequent heads of school who guided it through periods of significant growth and modernization, aligning its curriculum with evolving educational standards while maintaining its foundational mission.

● Campus

The 7.5-acre campus is located in a historic residential neighborhood of Pasadena, featuring a blend of traditional and modern architecture. Central facilities include the iconic Ranney House, the state-of-the-art Scott Center for Science and Innovation, and the Athletic Center with a full gymnasium. Outdoor spaces encompass the Martha J. Fleischhacker Quadrangle, athletic fields, and dedicated gardens. The campus has undergone several renovations and expansions, including the addition of the Visual Arts Center and the Performing Arts Center, to support a comprehensive educational experience. Its design encourages collaborative learning and community interaction within a secure, suburban setting.

● Academics

The academic program is rigorous and college-preparatory, offering a curriculum that includes over 20 Advanced Placement courses across disciplines. Core studies emphasize STEM fields, humanities, and the arts, with interdisciplinary projects and research opportunities integrated throughout. Signature programs include the STEM Research Fellowship, the Global Studies Program, and a robust offering in computer science and engineering. The school maintains a low student-to-teacher ratio, fostering close mentorship, and graduates consistently gain admission to top-tier universities such as Stanford University, University of California, Los Angeles, and Ivy League institutions. Assessment focuses on critical thinking, creativity, and real-world application of knowledge.

● Student Life

Student life is vibrant and centered on a wide array of extracurricular activities and leadership opportunities. The school fields competitive teams, known as the Tigers, in the Mission League for sports like volleyball, soccer, and track and field. A rich arts program includes productions in the Performing Arts Center and exhibitions in the Visual Arts Center. Over 50 student-led clubs cater to diverse interests, from the Mock Trial team to community service organizations. Traditions such as Spirit Week, the Alumnae Association networking events, and annual cultural festivals foster a strong sense of community and school pride among the student body.

● Notable Alumni

Alumnae have achieved distinction across numerous professional fields, contributing significantly to public life and culture. In the arts and entertainment, notable graduates include actress Molly Ringwald and filmmaker Catherine Hardwicke. In science and academia, alumnae like Dr. Susan Love, a prominent breast cancer researcher, and Dr. Frances Arnold, a Nobel Prize-winning chemist, stand out. The fields of law and public service are represented by figures such as Judge Jacqueline Nguyen of the United States Court of Appeals for the Ninth Circuit and former United States Ambassador Kristie Kenney. Their collective accomplishments underscore the school's impact on developing leaders and innovators.